Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
05/2009
05/14/2009US20090122434 Head ic, read circuit and media storage device
05/14/2009US20090122116 Fluid ejection device with resistive element close to drive circuits
05/14/2009US20090119907 Method for assembling a disk drive using a shipping comb
05/14/2009DE202009001288U1 Festplattenlöschsystem Hard disk extinguishing system
05/13/2009EP2058851A2 Elevator linear motor drive
05/13/2009EP2057629A1 Drawing method, drawing device, and information recording medium
05/13/2009EP2057627A2 User-converted media marketplace
05/13/2009EP1652178B1 Method for recording or reproducing control information
05/13/2009CN201237900Y Positioning device of magnetic head floating roll and magnetic recording apparatus employing the same
05/13/2009CN101432806A Magnetic head substrate, magnetic head and recording medium driving device
05/13/2009CN101430887A Null servo pattern for bit-patterned media
05/13/2009CN101430886A Disk device
05/13/2009CN101430885A Head, head suspension assembly, and disk device provided with the same
05/13/2009CN101430884A Cantilever member, magnetic head tab combination and disk drive unit
05/13/2009CN101430883A Wire and wire lead designs for a wire-assisted magnetic write device
05/13/2009CN100487809C Disk writing/reproducing apparatus and method
05/13/2009CN100487805C Optical disk apparatus and rotation speed control method thereof
05/13/2009CN100487794C Feedback control method for slider air-supported vibration in active attenuation hard disk drive slider
05/13/2009CN100487793C Magnetic recording medium and magnetic recording/reproducing device
05/13/2009CN100487792C Transducing head and manufacturing method thereof
05/13/2009CN100487791C Magnetic head with high reliability of the data protection, magnetic disk apparatus and method thereof without miserasing
05/12/2009US7533317 Serializer/deserializer circuit for jitter sensitivity characterization
05/12/2009US7532772 Coding for compressive imaging
05/12/2009US7532560 Signal processing circuit for optical disc drivers and the related method
05/12/2009US7532555 Phase-change recording layer optical recording method
05/12/2009US7532554 Method for recording information on optical recording medium and information recording apparatus
05/12/2009US7532552 Method for discriminating operation type of a disk device
05/12/2009US7532442 Magnetoresistive (MR) elements having pinning layers formed from permanent magnetic material
05/12/2009US7532441 MR read head with first and second gap layers
05/12/2009US7532440 Dual stage, head stack assembly for a disk drive
05/12/2009US7532439 Hard disk drive actuator latch apparatus having an inclined surface
05/12/2009US7532438 Wireless flexure with curved trace geometry against pitch and roll adjustment springback
05/12/2009US7532437 Slider having transducers orientated in different directions
05/12/2009US7532436 Magnetic recording medium and magnetic memory device for high density recording
05/12/2009US7532435 Optical path for a thermal-assisted magnetic recording head
05/12/2009US7532434 Recessed write pole for perpendicular recording
05/12/2009US7532433 Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it
05/12/2009US7532432 Perpendicular magnetic recording system with medium having thin soft underlayer and recording head having thick-throat trailing shield
05/12/2009US7532430 Magnetic recording medium and magnetic recording/reproducing apparatus
05/12/2009US7532429 Write-head positioning method and disk drive
05/12/2009US7532427 TMR/GMR amplifier with input current compensation
05/12/2009US7532426 Method for erase process on recording surface of disk and disk drive apparatus
05/12/2009US7532425 Reproducing method, reproducing apparatus, recording and reproducing apparatus, and magnetic recording medium
05/12/2009US7532423 Magnetic recording medium, recording/reproducing apparatus, and stamper
05/12/2009US7532420 Master disk for magnetic transfer, magnetic recording medium and magnetic recording apparatus
05/12/2009US7532419 Apparatus and method for writing and reproducing data
05/12/2009US7531753 Suspension board with circuit
05/12/2009US7531252 Film and magnetic-recording medium using the same
05/12/2009US7531251 8 mm Thin-metal-film magnetic recording medium including a thin-film support with a predetermined reinforcing layer for optimizing flexural rigidity; eliminate output decreases, defective envelopes, tape damage, and skew after storage; improved head touch; reduced head wear and error rate
05/12/2009US7531249 Magnetic recording medium and method of producing the same
05/12/2009US7531248 Perpendicular recording magnetic media having a granular magnetic recording layer and an amorphous soft underlayer
05/12/2009US7531103 Mask forming method, mask forming functional layer, dry etching method, and method of manufacturing an information recording medium
05/12/2009US7531043 Between the steps of washing and polishing, wetting the surface of the glass substrate with water and a carboxylic acid (oxalic acid, citric acid, tartaric acid, malic acid), and dipping the wetted substrate into a washing solution while the surface is still wet; reduced number of surface defects
05/12/2009US7530160 Method for manufacturing a magnetoresistive sensor having improved antiparallel tab free layer biasing
05/12/2009US7530159 Method of distortion correction in shrink processes for fabrication of write poles
05/12/2009US7530158 CPP read sensor fabrication using heat resistant photomask
05/07/2009WO2009058130A1 Systems and methods for inter-location control of storage access
05/07/2009WO2009057658A1 Substrate for magnetic head, magnetic head, and recording medium drive
05/07/2009WO2009057512A1 Method of manufacturing magnetic recording medium
05/07/2009WO2009057429A1 Optical head and optical recording device
05/07/2009WO2009057220A1 Disc drive
05/07/2009WO2009056521A1 A system for adjusting misalignment between a read/write head and a flexible data storage medium
05/07/2009US20090117411 Magnetic disk substrate and magnetic disk thereof
05/07/2009US20090117410 Thin Film Material and Recording Medium
05/07/2009US20090117409 Perpendicular magnetic recording medium and method of manufacturing the same
05/07/2009US20090117408 Perpendicular magnetic recording disk and method of manufacturing the same
05/07/2009US20090117407 Short flare definition by additive process for perpendicular head
05/07/2009US20090116358 Information recording medium and reproducing apparatus therefor
05/07/2009US20090116352 Clock generating apparatus, magnetic disk apparatus, and write synchronization method
05/07/2009US20090116152 Multilayer stitched yoke for a high data rate perpendicular write head
05/07/2009US20090116151 Position sensor and bias magnetic field generating device
05/07/2009US20090116150 Suspension board with circuit
05/07/2009US20090116149 Magnetic head slider manufacturing method
05/07/2009US20090116147 Perpendicular magnetic recording disk having a permeability gradient
05/07/2009US20090116145 Perpendicular shield pole writer with tapered main pole and tapered non-magnetic top shaping layer
05/07/2009US20090116144 Perpendicular magnetic recording head and method of manufacturing the same
05/07/2009US20090116143 Thin-film magnetic head, head gimbal assembly, and hard disk system
05/07/2009US20090116140 System for adjusting misalignment between a read/write head and a flexible data storage media
05/07/2009US20090116137 Perpendicular magnetic recording medium and magnetic storage apparatus using the same
05/07/2009US20090116133 Logic operations on a hard disk drive
05/07/2009US20090115819 Micro-electromechanical fluid ejection mechanism having a shape memory alloy actuator
05/07/2009US20090113702 Disk drive comprising a double sided flex circuit wherein a first side lead provides an etching mask for a second side lead
05/06/2009EP2056297A1 Clock generating apparatus, magnetic disk apparatus, and write synchronization method
05/06/2009EP2054886A2 Tolerance ring having variable height and/or assymmetrically located bumps
05/06/2009EP2054885A2 Tolerance ring for data storage with cut-out feature for mass control
05/06/2009EP2054636A2 Tolerance ring having various end tab designs to prevent interlocking
05/06/2009EP2003094A9 Magnetic material
05/06/2009EP1656670B1 Recording medium, method of recording identification information thereof, and recording/reproducing method thereof
05/06/2009EP1638719A4 Magnetic nanoparticles
05/06/2009CN101425298A Read-write head slider for disk apparatus
05/06/2009CN101425297A Disk drive comprising a double sided flex circuit wherein a first side lead provides an etching mask for a second side lead
05/06/2009CN101425296A Transducer for heat assisted magnetic recording
05/06/2009CN101425295A Manufacturing method for magnetic head sliding block
05/06/2009CN101423746A Polishing composition for hard disk substrate
05/06/2009CN101422884A Dismounting clamp and method of screw abnormal head stack assembly
05/06/2009CN100485787C Magnetic recording medium
05/06/2009CN100485786C Magnetic recording medium with multiple combination functions and preparation method thereof
05/06/2009CN100485785C Disk substrate for a perpendicular magnetic recording medium and a perpendicular magnetic recording medium using the substrate
05/06/2009CN100485784C Magnetic head assembly
05/06/2009CN100485783C Clamp for fixing magnetic head assembly and measuring method of rising quantity using the same